Tides Today & Tomorrow in Castle Hill, RI

TIDE TIMES for Sunday, July 19, 2026
The tide is currently rising in Castle Hill, RI.
Next low tide (tomorrow) : 6:28 am (0.4 ft)
Next high tide (tomorrow) : in 2h 04m at 12:50 am (3.3 ft)
Sunset today : 8:15 pm
Sunrise tomorrow : 5:28 am
Moon phase : First Quarter (32% illuminated)
Tide Station Location : Station #8453201
Common Questions About Tides

Castle Hill, RI Tides - Dec 2067

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Thu2:562.93:082.59:320.69:240.46:524:16Waning Crescent1Thu
2Fri3:483.04:042.610:220.410:070.26:534:16Waning Crescent2Fri
3Sat4:383.34:572.811:060.210:490.06:544:16Waning Crescent3Sat
4Sun5:243.55:453.011:480.011:30-0.26:554:15Waning Crescent4Sun
5Mon6:093.76:323.212:31-0.16:564:15New Moon5Mon
6Tue6:553.97:193.312:14-0.31:16-0.36:574:15New Moon6Tue
7Wed7:414.18:073.512:59-0.42:01-0.36:584:15New Moon7Wed
8Thu8:294.18:573.51:48-0.42:46-0.46:594:15Waxing Crescent8Thu
9Fri9:204.09:493.52:37-0.43:29-0.36:594:15Waxing Crescent9Fri
10Sat10:133.910:453.53:27-0.34:14-0.27:004:15Waxing Crescent10Sat
11Sun11:093.711:433.64:20-0.15:02-0.17:014:15First Quarter11Sun
12Mon12:063.55:210.25:580.07:024:15First Quarter12Mon
13Tue12:413.61:043.36:500.47:040.17:034:16First Quarter13Tue
14Wed1:393.62:033.28:470.48:130.17:034:16First Quarter14Wed
15Thu2:403.63:053.19:580.39:120.17:044:16Waxing Gibbous15Thu
16Fri3:443.74:093.010:540.210:020.17:054:16Waxing Gibbous16Fri
17Sat4:443.85:073.111:410.110:460.07:054:17Waxing Gibbous17Sat
18Sun5:383.85:593.212:240.17:064:17Waxing Gibbous18Sun
19Mon6:273.96:463.31:030.07:074:17Full Moon19Mon
20Tue7:123.87:313.312:11-0.11:380.07:074:18Full Moon20Tue
21Wed7:553.78:153.312:55-0.12:100.07:084:18Full Moon21Wed
22Thu8:363.68:573.21:39-0.12:420.07:084:19Waning Gibbous22Thu
23Fri9:153.49:393.12:23-0.13:140.07:094:19Waning Gibbous23Fri
24Sat9:543.110:212.93:060.03:460.17:094:20Waning Gibbous24Sat
25Sun10:332.911:042.83:480.24:210.27:094:21Waning Gibbous25Sun
26Mon11:122.711:472.74:310.34:570.37:104:21Waning Gibbous26Mon
27Tue11:522.55:190.55:390.37:104:22Third Quarter27Tue
28Wed12:292.712:352.46:160.66:270.47:104:23Third Quarter28Wed
29Thu1:122.71:222.37:260.77:230.47:114:23Third Quarter29Thu
30Fri2:002.72:152.38:420.68:230.37:114:24Third Quarter30Fri
31Sat2:552.93:172.49:460.49:230.17:114:25Waning Crescent31Sat
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8453201)

Common Questions About Castle Hill, RI Tides

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What time does the tide turn (slack tide) in Castle Hill, RI today?

Slack tide in Castle Hill, RI is approximately 3:39 am — midway between the next high and low tide, when tidal current is weakest. This is the preferred window for boat crossings, underwater visibility, and fishing in areas with strong currents.

Is this week a spring tide or neap tide in Castle Hill, RI?

Castle Hill, RI is currently in a transitional phase. Tonight's moon is 32% illuminated. Spring tides (largest swings) occur near new and full moons; neap tides (smallest swings) occur near first and third quarter moons. Tidal ranges this week are shifting between spring and neap.

What datum are Castle Hill, RI tide heights measured from?

Tide heights on this page are measured from Mean Lower Low Water (MLLW), the U.S. NOAA standard. A height of 0 ft represents the 19-year average of each day's lower low tide. Negative values indicate a "minus tide" — water levels below that long-term reference.

What factors can affect the tide predictions for Castle Hill, RI?

Tide predictions for Castle Hill, RI come from NOAA's harmonic analysis and are typically accurate within about ±10 minutes on timing and ±0.5 ft on height. Actual water levels can deviate further due to sustained winds, atmospheric pressure changes, river flow, and storm surge. During major weather events, be sure to check US Harbors weather pages for factors that could impact tidal predictions.

Which NOAA station provides tide data for Castle Hill, RI?

Tide data for Castle Hill, RI is sourced from NOAA Station #8453201. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8453201.

What is the moon phase in Castle Hill, RI tonight?

Tonight the moon over Castle Hill, RI is First Quarter (32% illuminated). This places Castle Hill, RI in a transitional tide cycle, so tidal ranges are shifting between spring and neap this week.

US Harbors Tidal Data

The data in our tide charts, tide tables, and tide graphs is provided by NOAA and others. These predictions are derived mathematically from numerous inputs, including data from historical tide stations and nearby locations where sensors are actively recording. As shown in the tide graph at the top of this page, “Predicted” tides (blue) are what forecasting models expect to happen. “Observed” tides (red) are those recorded by local sensors in real time, overlaid on the predictions for direct comparison. We display Observed water levels for a select group of harbors including Portland, Maine, where a physical sensor monitors water levels in real time.

LEARN MORE ABOUT OUR TIDE DATA